Year	Number
1999	9422000
2000	10991000
2001	11351000
2002	11507000
2003	11601000
2004	11668000
2005	11049000
2006	10737000
2007	10743000
2008	10194000
2009	9112000
2010	8551000
2011	7983000
2012	7900000
2013	7676000
2014	7797000
2015	7850000
2016	8025000
2017	8152000
2018	8328000
2019	8235000
2020	5207000